Answers by Algorithms

Body Mass	Formulas to calculate the body mass according to height and weight, and the ideal weight. Source
Body Mass Europa	Same as above, height in centimeters, weight in kilogs. Source
Calendar	Algorithm displaying the calendar for a given month. Source
Convert Any	Convert anything, km, yards, kg, etc... Source
Day of week	Formula to know the day of week for a given date. Source
Inches	Converts inches to feets and inches.